What year was the Cumberland Gap Tunnel, one of two mountain vehicular tunnels in the United States, opened which extended U.S. 58 from Harrogate, Tennessee to Virginia Beach, Virginia?
1996
-1
Section::::Abstract.
U.S. Route 58
889210
-1
Section::::Abstract.
U.S. Route 58
889210
-1
Section::::Abstract.
Cumberland Gap Tunnel
3554207